specific surface area 中文意思是什麼

specific surface area 解釋
比表面積
  • specific : adj 1 特殊的；特有的；特定的，專門的。2 明確的，具體的。3 【生物學】種的；【細菌】專性的。4 【醫...
  • surface : n 1 表面；地面；水面；廣場，空地。2 外觀，外表，皮毛。3 【幾】面；切口；【航空】翼面。adj 表面的...
  • area : n. 1. 面積；平地；地面。2. 空地；〈英國〉地下室前的空地。3. 地區，地方；〈比喻〉區域；范圍。
  1. Method for specific surface area of chrysotile asbestos

    溫石棉比表面積測定方法
  2. The method of obtaining high concentration of na2feo4 solution by quick electrolysis mainly contains four aspects : adoption of either a diaphragm or an ionic membrane electrolytic cell in which a thin anodic cell lying between the two cathodes, ( 2 ) using an iron anode that has larger specific surface area, ( 3 ) keeping suitable concentration of naoh in the anodic cell, adoption of lower current density and higher electrolyzing speed. the practical technique parameters follow a s below : the naoh solution of 14 - 16mol / l, the temperature of 303 - 308k, the surface anodic current density of 300a / m2, the unit electrolyzing speed of efficiency larger than 6. 0a / l

    快速電解獲取高濃度na _ 2feo _ 4溶液的方法，主要包括四個方面：採用兩陰極室夾一厚度較小的陽極室的隔膜（或離子膜）電解槽；使用比表面積較大的鐵網陽極；保持陽極室中有適宜濃度的濃naoh溶液；採用較低的電流密度和較高的電解速度。具體工藝參數是： 14 16mol / lnaoh溶液、溫度303 308k 、表觀陽極電流密度300a m ~ 2 、有效單位電解速度6 . 0a / l 。
  3. The structures and characteristics of several graphite samples are measured by means of powder x - ray diffraction ( xrd ), brunauer - emmer - teller ( bet ) surface area measurement, inductively coupled plasma ( icp ) spectroscopy, particle size analysis and electrochemical measurements. the effects of origin, structure, impurity, particle size, specific surface area of carbon materials on the electrochemical characteristics are studied. a synthetic graphite with abundant resources, low cost and favorable performance is determined as the raw material for modification of graphite

    採用xrd 、 bet 、 icp 、激光粒徑分析及電化學性能測試等方法，對國內外多種典型石墨樣品的結構與性能進行比較，研究石墨材料的來源、晶體結構、雜質含量、顆粒大小、比表面積等因素對其充放電性能的影響，確定一種性能較好、價格低廉、來源廣泛的普通人造石墨粉作為熱處理與摻雜改性、以及復合結構炭材料研究的原材料。
  4. Floc properties may be described by properties as floc strength, specific surface area, surface potential and surface energy

    絮凝物可以通過絮凝物強度，具體表面，表面潛力和表面能量來描述。
  5. The carbon nanotubes ( cnts ) are attractive materials for electrodes of supercapacitors due to their superb characteristics : chemical stability, low mass density, low resistivity, and large specific surface area

    納米碳管導電性好、比表面積大、微孔集中在一定范圍內，從理論上講是製作超級電容器的理想材料。
  6. Factors which can accelerate the early hydration of cement, the setting in particular, such as excessively high c3a content, too low so3 content, high alkali content and the blending of pozzolana with large inner specific surface area, etc., will result in poor compatibility of the superplasticizer with cement

    凡是加速水泥初期水化的因素，特別是使水泥凝結加速的因素如c3a含量過高、 so3摻量過少、堿含量高以及摻入內比表面積大的火山灰質混合材等均使水泥與超塑化劑的相適應性變差。
  7. Through reiterative study over years by the author, a new principle to express the relation between aggregate particles size and the surface area was proposed, that is the specific granularity, which could solve the problem of lack of correlation of fineness modulus to the specific surface area of the sand

    摘要經多年反復研究，發現了集料粒度與表面積關系法則，提出了以「比粒度」表述砂石粒度的新方法，解決了以「細度模數」表述砂子細度的不足之處，即解決了細度模數與不同細度砂子的比表面積沒有相關性的問題。
  8. Determination of specific surface area

    比表面積的測定
  9. Preparation of activated carbon with high specific surface area from coconut shell

    椰殼炭制備高比表面積活性炭的研究
  10. Carbon black used in rubber products - determination of specific surface area - ctab test method

    橡膠用炭黑比表面積測定
  11. Nanomaterials have good adsorbability because of their huge specific surface area, therefore in the foreground of environmental analysis

    摘要納米材料具有大的比表面積，擁有優良的吸附性能，因此在環境分析領域的應用逐漸增多。
  12. Hollow ferrites particles are the alternative to conventional solid ferrites particles, which have lower density, larger specific surface area and stability. moreover, it is expected electromagnetic wave can be reflected and absorbed again and again in the cavum of hollow particles which become its black hole. in addition, their electromagnetic parameters can be adjusted in a certain range by changing the thickness of the shell and the diameter of hollow microspheres, and the ability of absorbing microwave can be expected to improve

    空心結構的鐵氧體是對傳統實心鐵氧體的改造，不僅密度小，還具有特殊的電、磁功能，有可能使電磁波在其空腔中反復振蕩吸收，成為電磁波的「黑洞」 ，從而增加材料的吸波能力，同時可通過調節核殼粒子的內外徑來調控電磁參數。
  13. 3. by thermo - activation treating, the crystal water and constitution water of sepiolite were further changed. changes of channels between crystals and porosity made the specific surface area of the products increase from 295. 39 m2 / g to 324. 67m2 / g

    3 .經過熱活化處理使海泡石的結晶水和結構水進一步發生變化，晶間管道和孔隙度的改變使產物的比表面積由295 . 39m2 / g提高到324 . 67時/ g 。
  14. A rapid and simple method, stearic acid method was also developed to prepare nanostructured tio2 composites. microstructure of the samples was investigated by xrd, ft - ir, tem and bet specific surface area measurement and the results were compared with those obtained by conventional sol - gel method. it was found that nanocrystalline powders with good dispersity, high crystallinity and large specific surface area were successfully prepared by stearic acid method

    採用硬脂酸法快速、方便地制備了微結構可控的al _ 2o _ 3 、 sno _ 2復合納米tio _ 2 ，並與sol - gel法產物相比較， xrd 、 ft - ir 、 tem結果表明：硬脂酸法制備的復合納米tio _ 2表面貧羥基，具有良好的分散性、更高的比表面積，且可通過改變復合量對摘要博士論文產物晶型和粒徑進行控制。
  15. In the same conditions of temperature, pressure and specific surface area, the start - up dissolution velocity of limestone sample is more than the dolostone ' s one

    在相同溫壓、相同比表面積的條件下，灰巖類巖石樣品的啟動溶蝕速率大於白雲巖類巖石樣品的啟動溶蝕速率。
  16. Using the dyeing method, the surface area of xi ' an loess particles is firstly determined ; the result is clay particles have a huge specific surface area

    首次利用染色法測定了西安黃土顆粒的表面積，表明粘土顆粒具有巨大的比表面積。
  17. Determination of the pore size distribution and the specific surface area of mesoporous solids by means of nitrogen sorption - method of barrett, joyner and halenda

    氮吸附法測定中孔性固體的孔徑分佈和表面積比. barret
  18. 5. the specific surface area of precipitation type of sepiolite ( short fibrous structure ) increased only from 65. 61 m2 / g to 98. 57 m2 / g. this means that this type was not the suitable catalyzer carrier candidate

    5 .沉積型（短纖維結構）海泡石經過酸一熱活化處理后其比表面積僅由65 . 61擴/ g上升98 . 57擴/ g ，因此不宜作催化劑載體。
  19. 2. by activation - treating sepiolite with acid modifying, the channel between crystals, the porosity and the structure changed distinctly, and the specific surface area increased to 295. 39 m2 / g from 236. 26 m2 / g

    對海泡石進行的酸改性活化處理使海泡石晶間管道、孔隙度和結構產生明顯變化，海泡石比表面積由236 . 36m ~ 2 g上升到295 . 39m ~ 2 g 。
  20. A study of pore specific surface area and its correlation with the strength of silica fume cement paste

    硅粉水泥石中的孔比表面積及其與強度的相關性
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